What's the difference between Koi and Goldfish?

 Despite being two distinctly separate species many new hobbyists often get confused identifying the two, here are a few easy signs to look for.

  • Koi have small barbels on either side of their mouth, these are absent on Goldfish.
  • Koi reach sizes three times greater than Goldfish.
  • Goldfish have a detached dorsal fin just before the tail, whereas on Koi it is attached to the full length of the body.

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